Founded in 1963, China Electronics Technology Group Corporation No.21 Research Institute (Shanghai Micro-motor Research Institute) specializes in the research, development and production of small & special motors and its components. CETC No.21 Research Institute, which is located at Shanghai Cao He Jing Hi-Tech Development Zone, with over 692 workers, 310 Research and Technical Engineers, 13 Prof. Senior Engineers and 50 Senior Engineers, 18 Senior Engineers has got the government subsidies.